SMT FLC USES POH INFO FOR FLT INTO KNOWN ICING CONDITIONS. FAA QUESTIONS PROC.

Date: 1991-12 · Aircraft: DA40 Diamond Star · Phase: taxi

Synopsis

SMT FLC USES POH INFO FOR FLT INTO KNOWN ICING CONDITIONS. FAA QUESTIONS PROC.

Narrative

THE FLT WAS MADE INTO AN AREA OF FORECAST LIGHT TO MODERATE ICING. ACCORDING TO MY FAA APPROVED SMT POH; THIS IS LEGAL. I SUBSEQUENTLY LEARNED THAT SINCE THE AIRPLANE DOES NOT HAVE DEICE BOOTS INBOARD OF THE ENGS; THIS FLT MAY NOT BE LEGAL. AFTER CONSIDERABLE RESEARCH I FOUND THAT SEVERAL SMT'S WITH IDENTICAL EQUIP ALSO HAVE APPROVAL IN THE POH FOR LIGHT TO MODERATE ICING CONDITIONS. THERE SEEMS TO BE A MISUNDERSTANDING AND/OR A LACK OF INFO AMONG CERTAIN SMT OWNERS AND PLTS CONCERNING EQUIP REQUIRED FOR FLT IN FORECAST OR KNOWN ICING CONDITIONS. IF INBOARD BOOTS ARE REQUIRED FOR LIGHT TO MODERATE ICING CONDITIONS ON SMT'S MANUFACTURED PRIOR TO 1979; THERE ARE SEVERAL OWNERS; OPERATORS AND PLTS UNAWARE. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATES FLCS HAVE BEEN HASSLED BY FAA INSPECTORS ON CHK RIDES REGARDING THIS SITUATION. ONE INSPECTOR CLAIMED ILLEGAL TO FLY. AFTER RPTR SHOWED POH INFO; INSPECTOR NOT SO SURE. SECOND FAA INSPECTOR CLAIMS FIRST INSPECTOR OUT OF LINE SINCE POH AUTHORIZED FLT. LATER MODEL POH HAVE DIFFERENT LIST OF DEICE EQUIP. RPTR AWARE MORE RECENT MODELS HAVE DEICE BOOTS INBOARD OF THE ENGS ABOUT 18 INCHES OR SO. RPTR HAS DONE A GREAT DEAL OF RESEARCH ON THIS SITUATION INCLUDING CHKING THE MICROFICHE INFO. IT REFERS TO A TYPE CERTIFICATE DATA SHEET WHICH LISTS SERIAL NUMBERS OF ACFT INVOLVED. RPTR HAS NEVER BEEN ABLE TO OBTAIN A TYPE CERTIFICATE DATA SHEET. THIS SHOULD BE AVAILABLE FROM THE MANUFACTURER. RPTR'S MAJOR CONCERN IS DID MANUFACTURER COME OUT WITH A CONVERSION KIT? IF SO; IS IT REQUIRED? HE WOULD LIKE TO HELP OTHER OWNERS/PLTS AVOID THIS PROBLEM AS WELL AS CLARIFY FOR HIMSELF.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.